content: /* ===========================================================
   * JFreeChart : a free chart library for the Java(tm) platform
   * ===========================================================
   *
   * (C) Copyright 2000-2012, by Object Refinery Limited and Contributors.
   *
   * Project Info:  http://www.jfree.org/jfreechart/index.html
   *
   * This library is free software; you can redistribute it and/or modify it
   * under the terms of the GNU Lesser General Public License as published by
   * the Free Software Foundation; either version 2.1 of the License, or
   * (at your option) any later version.
   *
   * This library is distributed in the hope that it will be useful, but
   * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
   * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
   * License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
   * USA.
   *
   * [Oracle and Java are registered trademarks of Oracle and/or its affiliates. 
   * Other names may be trademarks of their respective owners.]
   *
   * --------------
   * AxisState.java
   * --------------
   * (C) Copyright 2003-2012, by Object Refinery Limited and Contributors.
   *
   * Original Author:  David Gilbert (for Object Refinery Limited);
   * Contributor(s):   -;
   *
   * Changes
   * -------
   * 03-Nov-2003 : Added standard header (DG);
   * 07-Nov-2003 : Added 'max' attribute (DG);
   * 17-Jun-2012 : Removed JCommon dependencies (DG);
   *
   */
  
  package org.jfree.chart.axis;
  
  import java.util.List;
  
  import org.jfree.chart.ui.RectangleEdge;
  
  /**
   * Instances of this class are used to carry state information for an axis
   * during the drawing process.  By retaining this information in a separate
   * object, it is possible for multiple threads to draw the same axis to
   * different output targets (each drawing will maintain separate state
   * information).
   */
  public class AxisState {
  
      /** The cursor position. */
      private double cursor;
  
      /** The axis ticks. */
      private List<ValueTick> ticks;
  
      /** The maximum width/height. */
      private double max;
  
      /**
       * Creates a new axis state.
       */
      public AxisState() {
          this(0.0);
      }
  
      /**
       * Creates a new axis state.
       *
       * @param cursor  the cursor.
       */
      public AxisState(double cursor) {
          this.cursor = cursor;
          this.ticks = new java.util.ArrayList<ValueTick>();
      }
  
      /**
       * Returns the cursor position.
       *
       * @return The cursor position.
       */
      public double getCursor() {
          return this.cursor;
      }
  
      /**
       * Sets the cursor position.
       *
       * @param cursor  the cursor position.
       */
      public void setCursor(double cursor) {
          this.cursor = cursor;
      }
  
      /**
       * Moves the cursor outwards by the specified number of units.
       *
       * @param units  the units.
       * @param edge  the edge.
       */
      public void moveCursor(double units, RectangleEdge edge) {
          if (edge == RectangleEdge.TOP) {
              cursorUp(units);
          }
          else if (edge == RectangleEdge.BOTTOM) {
              cursorDown(units);
          }
          else if (edge == RectangleEdge.LEFT) {
              cursorLeft(units);
          }
          else if (edge == RectangleEdge.RIGHT) {
              cursorRight(units);
          }
      }
  
      /**
       * Moves the cursor up by the specified number of Java 2D units.
       *
       * @param units  the units.
       */
      public void cursorUp(double units) {
          this.cursor = this.cursor - units;
      }
  
      /**
       * Moves the cursor down by the specified number of Java 2D units.
       *
       * @param units  the units.
       */
      public void cursorDown(double units) {
          this.cursor = this.cursor + units;
      }
  
      /**
       * Moves the cursor left by the specified number of Java 2D units.
       *
       * @param units  the units.
       */
      public void cursorLeft(double units) {
          this.cursor = this.cursor - units;
      }
  
      /**
       * Moves the cursor right by the specified number of Java 2D units.
       *
       * @param units  the units.
       */
      public void cursorRight(double units) {
          this.cursor = this.cursor + units;
      }
  
      /**
       * Returns the list of ticks.
       *
       * @return The list of ticks.
       */
      public List<ValueTick> getTicks() {
          return this.ticks;
      }
  
      /**
       * Sets the list of ticks.
       *
       * @param ticks  the ticks.
       */
      public void setTicks(List<ValueTick> ticks) {
          this.ticks = ticks;
      }
  
      /**
       * Returns the maximum width/height.
       *
       * @return The maximum width/height.
       */
      public double getMax() {
          return this.max;
      }
  
      /**
       * Sets the maximum width/height.
       *
       * @param max the maximum width/height.
       */
      public void setMax(double max) {
          this.max = max;
      }
  }
  